package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品接口")
@Slf4j
public class  DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result saveWithFlavors(@RequestBody DishDTO dishDTO){
        log.info("新增菜品数据为:{}",dishDTO);
        dishService.saveWithFlavors(dishDTO);

        String key = "dish_" + dishDTO.getCategoryId();
        clearCache(key);
        return Result.success();
    }

    /**
     * 分页查询
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("分页查询")
    public Result<PageResult> pageQuery(DishPageQueryDTO dishPageQueryDTO){
        log.info("分页查询的条件为:{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 批量删除菜品
     * @return
     */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long> ids){
        log.info("批量删除菜品的id:{}",ids);
        dishService.deleteBatch(ids);

        clearCache("dish_*");
        return Result.success();
    }

    /**
     * 根据id查询菜品
     * @return
     */
    @GetMapping("{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> selectById(@PathVariable Long id){
        log.info("查询菜品id为:{}",id);
        DishVO dishVO = dishService.selectByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品信息为:{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);

        clearCache("dish_*");
        return Result.success();
    }

    /**
     * 菜品起售、停售
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    public Result updateStatus(@PathVariable Integer status, Long id){
        log.info("菜品ID:{},更改状态为:{}",id,status);
        dishService.updateStatus(status,id);

        clearCache("dish_*");
        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> selectByList(Long categoryId){
        log.info("查询菜品的分类id为:{}",categoryId);
        List<Dish> dishes = dishService.selectByCategoryId(categoryId);
        return Result.success(dishes);
    }

    /**
     * 清除redis缓存
     * @param pattern
     */
    private void clearCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
